Milling flour.



PATENT @FFQKCE.

ALBERT EDWARD HUMPHRIES, OJ: VEYBILIDGE, ENGLAND.

MILLING FLOUR To (all lit/{mo it may roneern:

lie it known that l. ii'iinrinr llD'fiIHZX) lll i'iurnluns a suhjoel ot the King; ot' (treat .liritain. residing: at toxes Lot-k Mills tvtf laidge, in the. eount) of Surrey, l lne lanih miller. hare invented ee-rlaiu new and. use-- ftul lniprorenients in or llelatingr to the Mill ing of l lour. ot whit-h the t'ollou'ine' is a t'ulh clear, and exact description.

The addition of various snhstanees to tiour tor the purprse or? meditating its properties is Well hnou'u. (lri 'inally it was let! to the lather to mix sueh sulnstain-es with his don :lt was then proposed to supply the halter With tlour already iiltttilllfilt tl with the desired suhstanee: there is eonsiderahle d lieutty, however. in attaining this ohjeet. Lahore all things, it is essential that the. min ture shall he very intimate. an end aehiei'ed by the halter in mixing the substance dis solved in Water with his (tough. ilereto" tore hmverer. no mode has heemne known for mixing: the suhstanee in. solution with the Hour lietore it is t.l(,li\'(l't,al to the lnl iPl'. l-lenee the tllf)" snhstanee has heen mixed with the .llour, with the result that a very iniperiteet uiixturm as eoznpared with that pro dueed in the dough, has heen made. iihn'eover it: has heen impossible to mix with the Hour at liquid or seiniiiquid suhstanee het'ore the flour is delivered to the haher. in order to improve the iinterinixture. the dry suhst-anee has heen added during the 'tlitrt'tm oi nn'mutaettire. so thatthe grinding may aid the intermixiinz. but even in this easethe intern'iixture very inipeiieett as compared With that produced in the dough. especially When the pereentagze of added matter to he extremely small.

It has. hitherto been eommoi'i experienee that When Wa ter is added to tlour in quantity insu'tlieiei'it to convert the latter into dough the Water is not uniformly distributed i-ln'oughout the flour: dough lamps are formed Within which the water eontinedi and these lumps not only pl't'Wttlt the uniform dissemination throughout the Hour of any substance contained in the water. hut necessitates the drying and regrriudine ot the flour, or the sitting out of the lumps therefrom. Even a small proportion of such lumps is sufficient to create (litl'iculties in milling. particularly in the bolting machines Where the pasty material tends to close up the meshes of the bolting silks. It is for this reason thatthe known improvement in l in Specification of Letters Patent.

Application filed June 8.

. atented Feb. '7, 19.11. 1909. Serial No. 508818 i the halting properties of flour produeod by iner iasing its eontent; of water has hitherto been etlerted in suhjeeting the flour to the aetion o'l air laden with water vapor.

l have made the diseorery that, it either a tionrjrielding produetot' the [tour mill taken at an) stage heta'een the first break and the jMICh'iHg operation, or it' the tinisl etl tiour. is Stllri-itfttftl to a very finely subdivided spray ot' watt-17. the t xination oi lamps does not oreur and th water with any substance eoniaiiaat in it. either olved or in suspension. i most iii'iii uint intermixed with the than. this into: more heingz' even hett'er W2 the plied t: the stock (whit-h t sit-try milled grain in spr;

.ie .iate stages of the Hour 2 i went to the first break) than when it applied to the flour.

The inten sis-ts primarily tlnire'tore in o; the niooitving ingredient or inan'hieh to he introduced into the strait or do in H form oil a very finely the material a" t he clissolied or so. ended in water in order that it only he applied at: wording to the inrmition. The otter-t ot' this anode of applieation is to distrihute the added matter throu hunt the Hour in an exceedingly tine state of division and to hrine; it into very intimate contact with the partiehai of flour.

By using" a solution or suspentsion ot appropriate eoneentration it is poseihle to obtain a rery good aehnixture ot very initiate prmportion of material whit-h might act deti'inientally it added otherwise than in such proportions.

Suitable agitation of the stock or flour during the spraying opeation, such as in any Well known torrn o't reel. is essential to the proeess.

As a specific example a phosphate is applied tallized potassium dihydrowm phosphate (arid phosphate o't potash) may be dissolved in too gallons ot water. and this solution may he sprayed into the Hour atthe rate of one and one-halt pounds of the solution, per too pounds of tlour passing through the reel.

Changes may he made in the flour making method and in the modit vingz ingredient, Without: departing from my ii'ii'ent-ion.

I claim:

i. In. the process of proeh'leing flour having modified propi-afties. the steps which (.onsist in agitating a finely subdivided 

